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/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.digia.com
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**
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** This file is part of the Qt Commercial Charts Add-on.
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**
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** $QT_BEGIN_LICENSE$
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.digia.com
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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// W A R N I N G
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// -------------
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//
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// This file is not part of the QtCommercial Chart API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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#ifndef PIESLICEANIMATION_P_H
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#define PIESLICEANIMATION_P_H
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#include <QVariantAnimation>
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#include "piesliceitem_p.h"
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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class PieChartItem;
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class PieSliceAnimation : public QVariantAnimation
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{
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public:
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PieSliceAnimation(PieSliceItem *sliceItem);
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~PieSliceAnimation();
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void setValue(const PieSliceData &startValue, const PieSliceData &endValue);
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void updateValue(const PieSliceData &endValue);
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PieSliceData currentSliceValue();
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protected:
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QVariant interpolated(const QVariant &start, const QVariant &end, qreal progress) const;
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void updateCurrentValue(const QVariant &value);
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private:
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PieSliceItem *m_sliceItem;
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PieSliceData m_currentValue;
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};
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QTCOMMERCIALCHART_END_NAMESPACE
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#endif
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